Icons can be used to identify unique attributes of a device.
Some possibilites are:
color-coding VLAN affiliations,
secure or unsecured connections,
physical location
Icons are small bitmaps, typically less than 32 by 32 pixels. While any image may become
and icon, images larger than 32 by 32 waste bandwidth and storage.
The Icons are stored as individual files and are configured by the administrator.